Asset Retirement Obligations (Tables)

3 Months Ended

Mar. 31, 2018

Asset Retirement Obligations

Schedule of reconciliation of asset retirement obligations

The following is a reconciliation of the Company’s asset retirement obligations for the three months ended March 31, 2018 (in thousands):

Asset retirement obligations—December 31, 2017	$	34,610
Obligations incurred		3,525
Accretion expense		690
Asset retirement obligations—March 31, 2018	$	38,825